Home / 20,141,291.60-30,212,146.92-16,123,320.62

Finding the Fourth Proportional to 20,141,291.60, 30,212,146.92 and 16,123,320.62

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Solution

The fourth proportional to 20,141,291.60, 30,212,146.92 and 16,123,320.62 is: 24,185,148.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,141,291.60 : 30,212,146.92 = 16,123,320.62 : x
  2. Step 2: Convert to fraction form
    20,141,291.60/30,212,146.92 = 16,123,320.62/x
  3. Step 3: Cross multiply
    20,141,291.60x = 30,212,146.92 × 16,123,320.62
  4. Step 4: Simplify right side
    20,141,291.60x = 487,120,131,409,705.50
  5. Step 5: Solve for x
    x = 487,120,131,409,705.50/20,141,291.60
  6. Step 6: Final answer
    x = 24,185,148.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.